Gemini 3.1 Pro Preview Custom Tools vs Ministral 3 8B 2512

Price, context window & benchmark comparison

Gemini 3.1 Pro Preview Custom Tools

Google

$2.00 / $12.00

Input / Output · per 1M tokens

Ministral 3 8B 2512

Mistral AI

$0.15 / $0.15

Input / Output · per 1M tokens

Compare different models

Verdict: Ministral 3 8B 2512 is 30.0× cheaper than Gemini 3.1 Pro Preview Custom Tools on a typical 3:1 input/output mix. Gemini 3.1 Pro Preview Custom Tools has the larger context window (1M vs 262K).

	Gemini 3.1 Pro Preview Custom Tools	Ministral 3 8B 2512
Input price / 1M	$2.00	$0.15
Output price / 1M	$12.00	$0.15
Blended price (3:1)	$4.50	$0.15
Cached input / 1M	$0.20	$0.015
Context window	1M	262K
Max output	66K	210K
Intelligence index	—	5.5
Coding index	—	9.7
Providers	—	3
Best provider uptime (30m)	—	98.8%
Vision input	Yes	Yes
Reasoning	Yes	No
Tool calling	Yes	Yes
Released	2026-02-25	2025-12-02
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, Gemini 3.1 Pro Preview Custom Tools or Ministral 3 8B 2512?

Ministral 3 8B 2512 is 30.0× cheaper than Gemini 3.1 Pro Preview Custom Tools on a typical 3:1 input/output mix.

Gemini 3.1 Pro Preview Custom Tools vs Ministral 3 8B 2512: which has a bigger context window?

Gemini 3.1 Pro Preview Custom Tools: 1,048,576 tokens. Ministral 3 8B 2512: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 3.1 Pro Preview Custom Tools ≈ $10,000, Ministral 3 8B 2512 ≈ $375.00.

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